TOPFLYtech proudly announces that our TLD2 Series 4G OBDII Trackers are att Certified officially, one of North America’s largest carriers.
This certification, combined with approvals from FCC, CE, RCM, and PTCRB, confirms the TLD2’s reliability and performance for fleet management, vehicle diagnostics, and driver behavior monitoring.
Next in line — certifications from US Cellular and IC for the Canadian market.

⚙️ Key Features of the TLD2 OBDII Tracker

• Real-time & buffered location tracking, with adjustable reporting intervals and motion alerts.
• CAN-BUS data reading — VIN, odometer, ignition, fuel level, RPM, throttle position, air intake status, DTC codes, and more. (Available on TLD2-D)
• 6-axis accelerometer for precise driver-behavior detection: harsh acceleration, braking, cornering, and crash detection.
• Built-in buzzer to warn drivers in real time during risky driving behavior.
• Global 4G LTE bands for effortless worldwide deployment.
• BLE 5.0 connectivity, compatible with TOPFLYtech’s sensor family:
  • TSTH1-B – Temperature & Humidity
  • TSDT1-B – Door & Temperature
  • TSR1-B – Wireless Relay

🚘 After ATT Certified, The Reliable Plug-and-Play Solution for Fleets Worldwide

Compact, powerful, and plug-and-play, the TLD2 Series helps businesses enhance driver safety, improve fuel efficiency, and ensure compliance — all with minimal installation effort.
Whether for car rentals, insurance UBI programs, or enterprise fleets, the TLD2 delivers continuous insight into your vehicle’s performance and location.